Finding the Fourth Proportional to 134,504.22, 185,573.94 and 76,351.28
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Solution
The fourth proportional to 134,504.22, 185,573.94 and 76,351.28 is: 105,340.99
Step by Step Solution
- Step 1: Write the proportion equation
134,504.22 : 185,573.94 = 76,351.28 : x - Step 2: Convert to fraction form
134,504.22/185,573.94 = 76,351.28/x - Step 3: Cross multiply
134,504.22x = 185,573.94 × 76,351.28 - Step 4: Simplify right side
134,504.22x = 14,168,807,853.64 - Step 5: Solve for x
x = 14,168,807,853.64/134,504.22 - Step 6: Final answer
x = 105,340.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.